Signs barring cell-phone use are a familiar sight to anyone who has ever sat in a hospital waiting room.

任何在医院候诊室坐过的人都熟悉禁止使用手机的标志。

Today, they arc once again a familiar sight, playing roles that are often just as important for the community as their original purpose.

今天，它们再次成为人们熟悉的景象，扮演着与它们最初的目的同样重要的角色。

Tourists are a familiar sight in this part of city.

在城里这一带地方，游客是人们熟悉的景象。

Jeepneys are a familiar sight on the streets of Manila.

载客吉普车是马尼拉街头的常见景观。

PHOTOVOLTAIC cells are already a familiar sight on rooftops.

光伏电池早已成为屋顶上一道熟悉的风景线。